Overview

overview

10

Static

static

3

Output.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Output.exe

  • Size

    3.0MB

  • Sample

    241207-h1w6qs1rev

  • MD5

    8c33199388f8894532909836f3f4d3e1

  • SHA1

    11bdbb98163accd6bfac16585062fd573e5b5a48

  • SHA256

    8930244d360f2da7f1b4dad68a59d5d768e78b4256da9751055ee541d45da616

  • SHA512

    e0a3603e257196332b494ed88b86237194a2b6c99722f141d727e0ecf7a86fb88c6bd717bfa36a1f4adfa6c6bffcde46f1057c50dee9ba89e9b7eecd673ef026

  • SSDEEP

    98304:Y9unatJkJ46aQ86+LH8w5j3ylWtx8vKipHK9w3Dor:Ra3A8DLcgyWyvnFK9wzo

Score
10/10
asyncratdefense_evasiondiscoveryevasionexecutionpersistencerat

Malware Config

Targets

    • Target

      Output.exe

    • Size

      3.0MB

    • MD5

      8c33199388f8894532909836f3f4d3e1

    • SHA1

      11bdbb98163accd6bfac16585062fd573e5b5a48

    • SHA256

      8930244d360f2da7f1b4dad68a59d5d768e78b4256da9751055ee541d45da616

    • SHA512

      e0a3603e257196332b494ed88b86237194a2b6c99722f141d727e0ecf7a86fb88c6bd717bfa36a1f4adfa6c6bffcde46f1057c50dee9ba89e9b7eecd673ef026

    • SSDEEP

      98304:Y9unatJkJ46aQ86+LH8w5j3ylWtx8vKipHK9w3Dor:Ra3A8DLcgyWyvnFK9wzo

    Score
    10/10
    asyncratdefense_evasiondiscoveryevasionexecutionpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Async RAT payload

      rat

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Creates new service(s)

      persistenceexecution

    • Drops file in Drivers directory

    • Stops running service(s)

      evasionexecution

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

      defense_evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Indicator Removal

1
T1070

Clear Windows Event Logs

1
T1070.001

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

6
T1012

System Information Discovery

6
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks